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Physics of Formation of FeII Lines Outside LTE

Proceedings of the 94th Colloquium of the International Astronomical Union Held in Anacapri, Capri Island, Italy, 4–8 July 1986

  • Conference proceedings
  • © 1988

Overview

Editors:
  1. Roberto Viotti

    1. Istituto di Astrofisica Spaziale (CNR), Frascati, Italy

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  2. Alberto Vittone

    1. Osservatorio Astronomico di Capodimonte, Napoli, Italy

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  3. Michael Friedjung

    1. Institut d’Astrophysique (CNRS), Paris, France

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Part of the book series: Astrophysics and Space Science Library (ASSL, volume 138)

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Table of contents (42 papers)

  1. Front Matter

    Pages i-xiii
    Download chapter PDF

  2. General Introduction to the “Fe II Problem”

    1. General Introduction to the “FE II Problem”

      • B. Baschek
      Pages 1-8

  3. FeII Reference Catalogue

    1. FeII Reference Catalogue

      • G. B. Baratta, R. Viotti
      Pages 9-10

  4. Basic Atomic Data

    1. Front Matter

      Pages 11-11
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    2. The Laboratory Spectrum and Atomic Structure of Fe II

      • Sveneric Johansson
      Pages 13-34

    3. New Laboratory Recordings of Fe II in the IUE Region

      • Bodo Baschek, Sveneric Johansson
      Pages 35-39

    4. Semiempirical Determination of Fe II Oscillator Strengths

      • Robert L. Kurucz
      Pages 41-43

    5. Theoretical determinations of Fe II atomic parameters

      • H. Nussbaumer
      Pages 45-50

    6. Calculations of Transition Probabilities for Forbidden Lines in the 3d7 Configuration in Fe II.

      • J. E. Hansen, G. M. S. Lister
      Pages 51-61

    7. Accidental Degeneracy Between Doubly Excited States in Fe II

      • T. Brage, A. E. Nilsson, S. Johansson, B. Baschek, J. Adams
      Pages 63-65

    8. Experimental Determination of FeII gf-Values: Review Of Available Data and Works in Progress

      • J. Moity
      Pages 67-78

    9. A Photospheric Solar Iron Abundance from Weak Fe II Lines

      • U. Pauls, N. Grevesse, M. C. E. Huber
      Pages 79-82

    10. Empirical GF-Determination from the Solar Spectrum

      • Robert J. Rutten, Roman I. Kostik
      Pages 83-92

  5. Observation of FeII Lines in Different Astrophysical Objects

    1. Front Matter

      Pages 93-93
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    2. FE II Emission Line Profiles in the Ultraviolet Spectrum of Cool, Luminous Stars

      • Kenneth G. Carpenter
      Pages 95-105

    3. Observation of FeII in Cool Variables

      • R. Viotti, M. Friedjung
      Pages 107-113

    4. Ultraviolet Fe II Emission Lines in Novae

      • A. Cassatella, R. Gonzalez Riestra
      Pages 115-124

    5. FE II in Luminous Hot Stars

      • F.-J. Zickgraf
      Pages 125-133

    6. Fe II Lines in Herbig Ae Stars

      • A. Talavera
      Pages 135-142

    7. Fe II Line Profiles Variability in the Herbig Be Star Z CMa

      • E. Covino, L. Terranegra, A. Vittone, F. Giovannelli, C. Rossi
      Pages 143-148
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Keywords

About this book

The same kind of physics is frequently common to very different fields of Astrophysics, so experts in each of these fields have often much to learn from each others. It was therefore logical that the International Astronomical Union should sponsor a colloquium about an ion which pro­ duces many spectral lines that can be used as a diagnostic for many sorts of objects, and which may sometimes have a major influence on physical processes occurring in astro­ physical sources. The lines of singly ionized iron (FeII) are present in absorption and emission in the spectra of objects such as the Sun, cool stars, circumstellar envelopes of hot stars, novae, diffuse nebulae including the supernova remnants, and active galactic nuclei. These lines are very often formed far from LTE, and their interpretation is not easy in view of the complex Grotrian diagram for FeII, and the gaps in the knowledge of various physical parameters. In addition, the density of very strong FeII lines becomes very large in the ultraviolet, and the lines can play a major role in the line blanketing. They need therefore to be taken into account in any energy balance argument.

Editors and Affiliations

  • Istituto di Astrofisica Spaziale (CNR), Frascati, Italy

    Roberto Viotti

  • Osservatorio Astronomico di Capodimonte, Napoli, Italy

    Alberto Vittone

  • Institut d’Astrophysique (CNRS), Paris, France

    Michael Friedjung

Bibliographic Information

  • Book Title: Physics of Formation of FeII Lines Outside LTE

  • Book Subtitle: Proceedings of the 94th Colloquium of the International Astronomical Union Held in Anacapri, Capri Island, Italy, 4–8 July 1986

  • Editors: Roberto Viotti, Alberto Vittone, Michael Friedjung

  • Series Title: Astrophysics and Space Science Library

  • DOI: https://doi.org/10.1007/978-94-009-4023-9

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer Science+Business Media Dordrecht 1988

  • Hardcover ISBN: 978-90-277-2626-1Due: 30 November 1987

  • Softcover ISBN: 978-94-010-8285-3Published: 23 August 2014

  • eBook ISBN: 978-94-009-4023-9Published: 17 April 2013

  • Series ISSN: 0067-0057

  • Series E-ISSN: 2214-7985

  • Edition Number: 1

  • Number of Pages: XIII, 349

  • Number of Illustrations: 52 b/w illustrations

  • Topics: Astronomy, Observations and Techniques

  • Industry Sectors: Aerospace, Electronics

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